14 results
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Chloride Algorithm ... alkalosis • Normal/low ... Urine chloride is ... #Chloride #urine ... #Algorithm #nephrology
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Urinary Chloride ... diarrhea), Sweat ... - Normal/low ... acidosis: Chronic diarrhea ... #causes #urinary
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
pH Calculate Urinary ... Chloride Intoxication ... • Serum K: low ... Loss of HCO3 - Diarrhea ... Diagnosis #Workup #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Osmotic diuresis (see ... mannitol, glucosuria Low ... Urine Osmolality ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... Laxative use • Diarrhea ... mEq/g suggests urinary ... differential #potassium #nephrology ... #low
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Gl tract loss (Diarrhea ... secreting tumor, Primary ... Differential #Diagnosis #Algorithm ... #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Gastrointestinal loss: Diarrhea ... EABV, Low Plasma ... #differential #algorithm ... #diagnosis #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
leukemia Measure Urine ... Malabsorption, Chronic diarrhea ... • Normal or Low ... - Normal or Low ... Workup #phosphate #nephrology
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
volume contracted: urine ... diarrhea (congenital ... volume expanded: urine ... > 20 meq/L • Primary ... Diagnosis #Causes #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Decreased Intake: • Low ... NGT suction - Diarrhea ... Pathophysiology #Nephrology ... #Chloride